
PayPal Mobile Checkout Overview
Mobile Checkout Processing Flow
1
10 October 2009 Mobile Checkout Developer Guide
Mobile Checkout Processing Flow
Table 1.1 shows the generic processing flow of a Mobile Checkout transaction. The Merchant
column entries in bold represent integration points, which are described in more detail in
subsequent sections.
TABLE 1.1 Mobile Checkout Processing Flow
Customer Merchant PayPal
Selects product from
merchant mobile site,
website, client, or SMS
keyword list
Displays product details and gives customer
the option to pay with PayPal.
Selects PayPal by
clicking link to open
PayPal Mobile Checkout
Calls SetMobileCheckout API to
initiate transaction
Receives API call and returns response
containing transaction token.
Redirects customer to PayPal URL with
token appended
Starts PayPal flow.
Logs in to PayPal flow
and selects funding.
Redirects customer to merchant-
supplied, secure Return URL.
Confirms transaction on
merchant site, if
necessary
Calls DoMobileCheckoutPayment API
to complete transaction
Displays order confirmation page
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